15LS1RA (CHASSIS:LN71A) - LG TV Service Manual (repair manual). Page 13

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Mode
Section
Polarity DOT CLOCK Frequency  Total Period(E)
Display(A)
Front
Sync.(D)
Back
Resolution
Remark
[MHz]
[kHz]/ [Hz]
Porch (B)
Porch (F)
1
H(Pixels)
-
25.175
31.469
800
640
16
96
48
640 x 480
O
V(Lines)
-
59.94
525
480
10
2
33
2
H(Pixels)
+
40.0
37.879
1056
800
40
128
88
800 x 600
O
V(Lines)
+
60.317
628
600
1
4
23
3
H(Pixels)
+
35.999
35.156
1024
800
40
128
72
800 x 600
O
V(Lines)
+
56.250
800
600
1
4
24
4
H(Pixels)
-
65.0
48.363
1344
1024
24
136
160
1024 x 768
O
V(Lines)
-
60.004
806
768
3
6
29
- 13 -
6. Signal Timing(Resolution) 
- 15” only
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